Mystery Ranch In & Out vs. haize project Clamshell 38

Two carry-on travel backpacks, compared spec for spec.

Mystery Ranch In & Out

Front facing view of the Mystery Ranch In & Out
Capacity19 L
Weight0.4 kg
Dimensions51×33×23 cm
Airline fit71%
Price$90

Feature by feature

Mystery Ranch In & OutFeaturehaize project Clamshell 38
Storage
4 Compression 4
None Expanded Capacity None
4 Opening 1
top Passport top
N Passthrough N
Carry
Y Backpack Y
N Hip Belt N
Y Sternum Strap removable
Inside
15in Laptop 15in
3 Main Compartments 4
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 1, side
N Water Resistant Y
Material
100D Cordura MiniRip1680D RPET polyurethane

haize project Clamshell 38

Front facing view of the haize project Clamshell 38
Capacity38 L
Weight1.6 kg
Dimensions55×35×20 cm
Airline fit86%
Price$380

Key differences between the Mystery Ranch In & Out and haize project Clamshell 38

Both have: compression straps, passport pocket, backpack straps, laptop sleeve, water bottle pockets.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 128 accept both. 6 accept only the Mystery Ranch In & Out, and 34 accept only the haize project Clamshell 38.

Only the Mystery Ranch In & Out fits

Cayman Airways, Oman Air, Royal Jordanian, Scoot, Tiger Airways, WestJet.

Only the haize project Clamshell 38 fits

Air Baltic, Air China, Air Malta, Air Serbia, Air Seychelles, Asiana Airlines, ATA Airlines, Blue Air, Bulgaria Air, China Eastern, Emirates Airlines, Enter Air, flybe, Icelandair, InselAir, Juneyao Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Pakistan International, Royal Brunei Airlines, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Volotea, Xiamen.

Mystery Ranch In & Out vs. haize project Clamshell 38: which should you pack?

The haize project Clamshell 38 carries 19L more than the Mystery Ranch In & Out (19L vs. 38L), while the Mystery Ranch In & Out is the lighter pack at 0.4kg (vs. 1.6kg). For carry-on flexibility, the haize project Clamshell 38 fits 86% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the haize project Clamshell 38; if you want to travel lighter, the Mystery Ranch In & Out is the better call.